Question

A = {2,0,7}, how many elements will be present in the power set of A ?​

Answer 1

Answer:

7

Step-by-step explanation:

Answer 2

Answer:

The number of elements in the power set of A = {2, 0, 7} = 2³ = 8

Step-by-step explanation:

Power set:

• The power set is the set which contains all the elements including the empty set and the original set itself.

            Let S = {a,b},

          then the power set of S = P(S) = {∅, {a}, {b}, {a,b}} = 4 elements

• The general formula for Power set  for a set contains n elements can be given by  2ⁿ.
• Given set A = {2, 0, 7}
• The power set contains no. of elements = 2³ = 8.
•       The elements in the power set can be written as
•     P(A) = {∅, {2}, {0}, {7}, {2,0}, {0,7}, {2,7}, {2,0,7}}

Know more about Subsets:

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